Panasonic CS-NE9LKE Service Manual page 58

Indoor/outdoor unit
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15.4.5. H19 (Indoor Fan Motor - DC Motor Mechanism Locked)
Malfunction Decision Conditions
The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor (feedback of
rotation > 2550rpm or < 50rpm)
Malfunction Caused
• Operation stops due to short circuit inside the fan motor winding.
• Operation stops due to breaking of wire inside the fan motor.
• Operation stops due to breaking of fan motor lead wires.
• Operation stops due to Hall IC malfunction.
• Operation error due to faulty indoor unit PCB.
Troubleshooting
58

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